1. MEANS FOR FORMING AN INSULATED ELECTRICAL CONNECTION BETWEEN TWO SPLICED INSULATED ELECTRICAL CONDUCTORS, SAID MEANS COMPRISING: A COUPLING MEMBER SECURED TO THE INSULATION OF ONE OF THE CONDUCTORS; SLEEVE MEANS SURROUNDING THE SPLICE AND EXTENDING INTO ABUTTING RELATIONSHIP WITH SAID COUPLING MEMBER, AND A SECOND COUPLING MEMBER ENGAGEABLE WITH SAID FIRST COUPLING MEMBER AND ARRANGED TO COMPRESS THE ABUTTING END OF THE SLEEVE MEANS AGAINST SAID FIRST COUPLING MEMBER WHEREBY THE LENGTH OF THE SURFACE PATH FROM THE SPLICE TO AN EXPOSED SURFACE OF THE INSULATION IS A FUNCTION OF SLEEVE LENGTH.